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How to build a simple L-girder
According to Model Railroader Editor Eric White, former Editor Linn H. Westcott's L-girder benchwork has been a hallmark ...
A worker erects a box girder at the construction site of a mega bridge in the Hebei section of the Xiong'an-Shangqiu high-speed railway in North China's Hebei province, April 27, 2025.